1000 resultados para Axiomas de Haag-Kastler.


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Scan von Monochrom-Mikroform

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Elsa Eisler

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Scan von Monochrom-Mikroform

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L. A. M.

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v. 1. Reports of the general meetings.--v. 2. Reports of the meetings of the sections.--v. 3. Organization; opening and closing meetings; general meetings.--v. 4. Meetings of the sections.

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Sammelrezension von: 1. Kiel, Ewald / Kahlert, Joachim / Haag, Ludwig / Eberle, Thomas (Hrsg.): Herausfordernde Situationen in der Schule, Ein fallbasiertes Arbeitsbuch, Bad Heilbrunn: Klinkhardt 2011 (224 S.; ISBN 978-3-7815-1799-8) 2. Kiel, Ewald / Pollak, Guido (Hrsg.): Kritische Situationen im Referendariat bewältigen, Ein Arbeitsbuch für angehende Lehrkräfte, Bad Heilbrunn: Klinkhardt 2011 (271 S.; ISBN 978-3-8252-3544-4)

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Rapidity-odd directed flow (v1) measurements for charged pions, protons, and antiprotons near midrapidity (y=0) are reported in sNN=7.7, 11.5, 19.6, 27, 39, 62.4, and 200 GeV Au+Au collisions as recorded by the STAR detector at the Relativistic Heavy Ion Collider. At intermediate impact parameters, the proton and net-proton slope parameter dv1/dy|y=0 shows a minimum between 11.5 and 19.6 GeV. In addition, the net-proton dv1/dy|y=0 changes sign twice between 7.7 and 39 GeV. The proton and net-proton results qualitatively resemble predictions of a hydrodynamic model with a first-order phase transition from hadronic matter to deconfined matter, and differ from hadronic transport calculations.

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We report the STAR measurements of dielectron (e(+)e(-)) production at midrapidity (|y(ee)|<1) in Au+Au collisions at √[s(NN)]=200  GeV. The measurements are evaluated in different invariant mass regions with a focus on 0.30-0.76 (ρ-like), 0.76-0.80 (ω-like), and 0.98-1.05 (ϕ-like)   GeV/c(2). The spectrum in the ω-like and ϕ-like regions can be well described by the hadronic cocktail simulation. In the ρ-like region, however, the vacuum ρ spectral function cannot describe the shape of the dielectron excess. In this range, an enhancement of 1.77±0.11(stat)±0.24(syst)±0.33(cocktail) is determined with respect to the hadronic cocktail simulation that excludes the ρ meson. The excess yield in the ρ-like region increases with the number of collision participants faster than the ω and ϕ yields. Theoretical models with broadened ρ contributions through interactions with constituents in the hot QCD medium provide a consistent description of the dilepton mass spectra for the measurement presented here and the earlier data at the Super Proton Synchrotron energies.